What is the difference between lithium batteries and lead acid batteries? Which brand is better?

The difference between lead-acid batteries and lithium batteries can be said to be very big:

1.**Different.

Because lithium batteries have good heat dissipation function and battery life function, the production process from packaging to sealing is also very rigorous; Therefore, the production cost is much higher than that of lead-acid batteries.

2.Market accessibility.

Lead-acid batteries are widely used in the market, the technology is very mature, and the awareness of users is also higher. The application of lithium batteries in the light electric vehicle market has not yet been fully popularized.

3.The battery material is different.

In the working state of lead-acid batteries, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; When charged, the main components of the positive and negative electrodes are lead sulfate.

In the working state of lithium battery, the main component of the positive electrode is manganese dioxide, and the main component of the negative electrode is lithium metal or its synthetic metal, and the battery using non-aqueous electrolyte solution; When in the state of charge, the cathode material of lithium-ion batteries usually uses lithium alloy metal oxide, the anode material uses graphite, and the battery uses non-aqueous electrolyte.

4.The memory effect is different.

After the battery is left for a period of time, it enters a dormant state, when the capacity is lower than the normal value; Lead-acid batteries will have a memory effect, and special methods and equipment are required to activate the battery and restore normal capacity; The characteristics of the lithium battery itself, without memory effect, only need to go through 3-5 normal charging and discharging cycles to activate the battery and restore the normal capacity.

5.The service life is different.

The service life of lead-acid batteries is generally only two years, and the number of complete charging and discharging cycles is generally less than 300 times.

Lithium batteries have a service life of four to five years, which is relatively durable, and the number of full charge and discharge cycles can exceed 500 times.

6.Portability.

Lithium batteries are lighter than lead-acid batteries, and lithium batteries that are naturally easy to extract are relatively more portable during charging and use.

Lithium battery, I guess you are talking about lithium-ion secondary batteries, speaking of the difference with lead-acid batteries.

Lithium ions mainly rely on lithium ions to move between the positive and negative electrodes to work. During the charging and discharging process, Li+ is embedded and de-embedded between the two electrodes: when charging the battery, Li+ is de-intercalated from the positive electrode and embedded into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; The opposite is true when discharging.

Generally, batteries that use materials containing lithium as electrodes, and graphite is used for the most negative electrodes at this stage.

The electrodes of lead-acid batteries are mainly made of lead and its oxides, and the electrolyte is a sulfuric acid solution. In the charged state of lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead. In the discharge state, the main components of the positive and negative electrodes are lead sulfate.

Lead-acid batteries are safe and cheap, but they have a lower energy density than lithium-ion batteries.

Which is better, lithium battery or lead-acid battery?

Lithium-ion batteries are lightweight and have a high specific energy, but they are safe and cost-effective.

Lithium-ion batteries belong to rechargeable batteries, while lead-acid batteries do.

Alkaline battery: Lithium-ion battery has a cycle life of more than 2,500 times, and lead-acid battery has a cycle life of about 800 times. That is.

It is said that with the same weight, lithium batteries can run farther than lead-acid batteries. Therefore, in terms of energy density, lithium batteries are better than lead-acid.

Battery. From the perspective of service life, a group of good quality lithium batteries can reach about 1,000 cycles, while lead-acid batteries are only about one-third of lithium batteries. Therefore, in terms of service life, lithium batteries are better than lead-acid batteries.

Lead-acid batteries. 1: (Hard!) The lead-acid boss has always been in the spirit of being strong and strong, and the breeze is blowing on the hills. He let him be horizontal, and the bright moon shines on the river as the principle. Lead-acid batteries are easy to feed, let you fall and beat, repair a little, and you can continue to use.

2: (Cheap!) The reason why the lead boss has been able to dominate the battery community for many years and sit in the position of the boss is all because of this reason! Cheap. Except that it's cheap or cheap.

Lead-acid batteries can be used in.

skills, after the use of bad can go to the electric cattle shop to change for a new day.

You can replace it with a new set of batteries by making up the price difference, which minimizes the loss. It's a big benefit for users.

Lithium battery: 1: (light weight, small size) Lithium battery that has been working lightly since childhood.

Compared with lead-acid batteries of the same capacity on the market, the volume of lithium batteries is 2 3 of the volume of lead-acid batteries, and the weight is about 1 3 of the weight of lead-acid batteries. Lithium batteries of the same volume have more capacity than lead-acid batteries.

The high, weight reduction increases the range of the electric vehicle by about 1

0% or so. 2: (Life improvement) Lithium battery has won the way of health, the average life of lithium battery is about one year, about two times higher than the life of lead-acid battery, charging and discharging more than 500 times, the battery has no memory, and has strong shock resistance.

3: (overcharge resistance, good charge and discharge resistance) The lithium battery has opened up the eight veins of the Qi meridian since childhood, so that at normal temperature, the lithium battery can be charged continuously for 48 hours without accidents such as battery expansion, leakage and rupture, and the capacity is maintained at more than 95%. And under the dedicated charger, it can be charged and discharged quickly.

The production cost of lithium batteries is high, and the production equipment is expensive and labor costs account for it.

to about 40% of the production cost, ** about three times that of lead-acid batteries. Its tripling ** brings not a high cost performance. It gives people a flashy feeling, and lithium batteries are not **.

If it is broken, it can only be thrown away, or find a place to bury it, and after thousands of years, future generations will dig it out and it will be an antique.

Lead-acid batteries. "Lead-acid battery safety, from the internal structure of the battery, the larger the capacity of the lithium battery, the worse the heat dissipation, that is to say, it is more likely to occur spontaneous combustion or **, and the lead-acid battery is composed of lead plates, the capacity is not as good as the lithium battery, but the performance is relatively stable, not easy to spontaneous combustion or **, so it will be safer. ”

Lead-acid battery (VRLA) is a battery in which the electrode is mainly made of lead and its oxide, and the electrolyte is a sulfuric acid solution. In the discharged state of lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; In the charging state, the main components of the positive and negative electrodes are lead sulfate.

1. The voltage of the cells is different. Lithium battery cell volt ( lead-acid battery cell voltage 2V.

3. The charging and discharging rates are different. Lithium batteries support high-current charging and discharging. The charging and discharging speed of lead-acid batteries is much lower.

The chargers of these two batteries cannot be mixed. Because the voltage and charging current are different and the charging curve is different.

The principle is galvanic battery, but the electrode materials of the two are different, the charging and discharging capacity is different, the energy density is different, the performance is different, and the difference is large.

The difference between lead-acid battery and lithium battery, which battery will you choose after reading it?

The mass volume is different,** Different, and the life of the battery is not the same. In fact, there is an essential difference between these two batteries, because the production and processing of these two batteries are not the same, so from these aspects, it is destined that there are great differences between the two batteries, so you must choose the right one for yourself in life.

1. The mass volume is different

According to relevant information, lead-acid batteries.

In addition to the lead-acid battery, the lead-acid battery also has great advantages, that is, the lead-acid battery will be relatively cheap, and the discharge performance is better than the lithium battery, of course, it also has huge shortcomings, that is, the lead-acid battery will be relatively heavier, which contains magnesium sulfate.

Some precious metal substances are very corrosive and easy to cause environmental harm, and lithium batteries also have great advantages, which are smaller in size, lighter and more convenient to carry.

2. **Different

Now the market for these two types of battery price is not the same, the current market sale of the mainstream lead-acid battery is generally about 450 yuan, and lithium battery is relatively expensive, usually around 1000 yuan, two types of battery in the market due to the different, so the audience and the scope of use is not the same, if you want to use a little more expensive, then you can buy lithium battery, this battery is light and easy to carry, and in all aspects of performance is relatively possible, It will also not cause pollution to the environment, and lead-acid batteries** are relatively cheap, but they are relatively large.

3. The life span is not the same

The two TVs also have a very significant feature,That is, the service life of the two batteries is not the same,The service life of lead-acid batteries is generally about two years,Lithium batteries are relatively durable4 5 years,So the service life of the two types of batteries is not the same,We can make corresponding purchases according to the frequency and needs of our own batteries。

Through the above, we can roughly understand the difference between lithium batteries and lead-acid batteries, and we can buy them according to our needs.

The difference between lithium battery and lead-acid battery is durability, battery life, body fat quality, operability, mileage, and battery capacity, because it belongs to the electronic category, so the biggest difference is the life of the battery.

The function is different, the function is different, the composition is different, the use of the way is different, the power is not the same, these are the difference between lithium batteries and lead-acid batteries, we should pay attention to its manufacturer and use in the process of use, do not blindly buy.

The structure is different, the life is different, the use method is different, the cost is different, the weight is different, the size is different, and the utilization rate is different.

First, the nature is different.

1. Lead-acid battery: an electrode is mainly made of lead and its oxide, and the electrolyte is a battery with sulfuric acid solution.

2. Lithium battery: a type of battery with lithium metal or lithium alloy as the anode material and non-aqueous electrolyte solution.

Second, the characteristics are different.

1. Lead-acid battery characteristics:

1) Safety sealing.

During normal operation, the electrolyte will not leak from the battery terminals or housing. There is no free acid special wicket separator to keep the acid inside, and there is no free acid inside the battery, so the battery can be placed in any position.

2) Vent system.

When the internal pressure of the battery exceeds the normal level, the lead-acid battery will release excess gas and automatically reseal to ensure that there is no excess gas in the battery.

3) Simple maintenance.

Since the gas composite system converts the produced gas into water, there is no need to add water during the use of VRLA batteries.

4) Long service life.

VRLA batteries with corrosion-resistant lead-calcium alloy fences can float for 10-15 years.

2. Lithium battery characteristics:

1) The energy is relatively high. It has a high storage energy density, which has reached 460-600Wh kg, which is about 6-7 times that of lead-acid batteries.

2) Long service life, the service life can reach more than 6 years, lithium ferrous phosphate as a cathode battery 1C (100% DOD) charge and discharge, there are 10000 available records;

3) High rated voltage (the working voltage of the monomer is or, which is equivalent to the series voltage of three Ni-cadmium or Ni-MH rechargeable batteries, which is easy to form battery power supply. Lithium batteries can adjust the voltage to the new technology of lithium battery voltage regulator to adapt to the use of small household appliances.

4) With high power endurance, the lithium-ion iron phosphate battery for electric vehicles can reach 15-30 degrees Celsius charging and discharging capacity, which is convenient for high-intensity starting and acceleration.

5) The self-discharge rate is very low, which is one of the most prominent advantages of the battery. It can be less than 1% per month and less than 1 to 20 NiMH batteries.

Lithium batteries are better. In fact, there is no essential difference between the two in principle, mainly in the material, and the difference in material is mainly reflected in the electrode material and the electrolyte material, so there will be a big difference between the two in life applications. The difference between the two is reflected in longevity, endurance and environmental impact.

1. Service life.

First of all, the service life, lithium batteries have high safety, in acupuncture, short circuit, extrusion, and other harsh conditions are still safe, no deformation. The temperature performance is good, and it can not affect the service life at high temperatures. Therefore, lithium batteries have a longer lifespan than lead-acid batteries.

2. Endurance.

The biggest problem of lead-acid batteries is that their own energy density is very large, and conventional lead-acid batteries generally weigh more than 35kg, which will affect the endurance and handling of the machine. Lithium batteries of the same capacity are generally less than 10kg, and the volume is half that of lead-acid batteries. Moreover, lithium batteries charge quickly, compared to lead-acid charging, which is slower and consumes faster.

3. Impact on the environment.

Lithium batteries are cleaner and more environmentally friendly than lead-acid batteries, and we all know that lead is a heavy metal, so the production of lead-acid batteries will have a great impact on the environment. Lithium batteries are not good in the production process or in the use process, causing environmental pollution.

In summary, lithium batteries are better than lead-acid batteries in terms of service life, endurance, and environmental impact.